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Finding the Fourth Proportional to 602,607.68, 831,570.72 and 330,668.72

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Solution

The fourth proportional to 602,607.68, 831,570.72 and 330,668.72 is: 456,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,607.68 : 831,570.72 = 330,668.72 : x
  2. Step 2: Convert to fraction form
    602,607.68/831,570.72 = 330,668.72/x
  3. Step 3: Cross multiply
    602,607.68x = 831,570.72 × 330,668.72
  4. Step 4: Simplify right side
    602,607.68x = 274,974,425,571.88
  5. Step 5: Solve for x
    x = 274,974,425,571.88/602,607.68
  6. Step 6: Final answer
    x = 456,307.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.